Optical scanning assembly with flexible diaphragm

Details Optical scanning assembly with flexible diaphragm Optical scanning assembly with flexible diaphragm

1997-09-19

1998-10-13

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235467, 359225, G06K 710

Patent

active

058215212

ABSTRACT:
Optical scanning is established by superimposing the alternating magnetic field of a coil magnet with the permanent field set up by a permanent magnet which surrounds the coil magnet. Both magnets are fixedly secured to a support at one axial end of the magnets and a flexible diaphragm is secured to the other axial end of the permanent magnet. A scanning mirror is effectively attached between the support and the diaphragm. When the coil magnet is activated, the diaphragm is rapidly flexed which causes the movement of the scanning mirror.

REFERENCES:
patent: 2463785 (1949-03-01), Lubeke
patent: 4902996 (1990-02-01), Takahara
patent: 5371347 (1994-12-01), Plesko
patent: 5374817 (1994-12-01), Bard et al.

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